Custer's outlook: warmest day near 94° (Saturday), coldest night about 55° (Wednesday). Roughly 0.32 in of rain falls over the period, with Wednesday the most likely wet day (62%). The NWS alert board for this area is currently clear. Right now Custer is about 12° cooler than nearby Pierre. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Custer, SD · Elev 5,315 ft · 43.77°N, 103.60°W · South Dakota · Forecast computed for these exact coordinates